Sergei Kostin
Sergei Yuryevich Kostin is a Russian former football defender.
Club career
Kostin made his debut in the Russian Second Division for FC Petrotrest Saint Petersburg on 22 April 2012 in a game against FC Sheksna Cherepovets.He made his Russian Football National League debut for FC Petrotrest Saint Petersburg on 9 July 2012 in a game against FC Ural Yekaterinburg.